global: Migrate CONFIG_SYS_FSL* symbols to the CFG_SYS namespace

Migrate all of COFIG_SYS_FSL* to the CFG_SYS namespace.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/ddr/fsl/fsl_mmdc.c b/drivers/ddr/fsl/fsl_mmdc.c
index cbd625b..28f2219 100644
--- a/drivers/ddr/fsl/fsl_mmdc.c
+++ b/drivers/ddr/fsl/fsl_mmdc.c
@@ -28,7 +28,7 @@
 
 void mmdc_init(const struct fsl_mmdc_info *priv)
 {
-	struct mmdc_regs *mmdc = (struct mmdc_regs *)CONFIG_SYS_FSL_DDR_ADDR;
+	struct mmdc_regs *mmdc = (struct mmdc_regs *)CFG_SYS_FSL_DDR_ADDR;
 	unsigned int tmp;
 
 	/* 1. set configuration request */